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Led Current Draw Confusion


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#16 Clip

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Posted 24 October 2022 - 09:32 AM

I should add that the original question was about leds in general. I am using the leds in my headlights, but needed to also minimise current draws from 4 driving lights and was confused about this issue. 



#17 gazza82

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Posted 24 October 2022 - 10:08 AM

Don't change the ignition/charging bulb .. LEDs don't work in that particular circuit.


You'll need to check your own local laws re LEDs in headlamps ... but a friend of mine in Uk who owns a garage and MOT Centre told me the other day he's had to fail a number of cars with poor headlights recently and 99% of them had LED bulb conversions ...

#18 Spider

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Posted 24 October 2022 - 06:48 PM

Don't change the ignition/charging bulb .. LEDs don't work in that particular circuit.

 

This can actually be done, just fit a 75 ohms, 5 watt resistor across the LED.
 






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